in tunisia, huge crowds of mourners protested as opposition leader chokri belaid was laid to rest. he was assassinated earlier this week. tens of thousands converged on the cemetery, with belaid's coffin draped in a tunisian flag. violence erupted as police fired tear gas and demonstrators threw stones and set cars ablaze. thousands of demonstrators turned out in cairo and other cities across egypt, protesting president mohammed morsi and his islamist-led government. the crowds defied hard-line muslim clerics, who called on their supporters to kill opposition leaders. as night fell, security forces used tear gas to disperse protesters who threw rocks and fire bombs at the presidential palace. gunmen in nigeria have killed at least nine women working to immunize children against the polio virus. the attacks today were in kano, in the african nation's muslim north. the killers were believed to come from boko haram, a radical islamic sect. polio remains endemic in nigeria, but some muslim clerics have charged the vaccinations are a plot to sterilize young girls. the british government